How did Ferdinand and Isabella transform Spain into a world power in the late 1400s? A.They strengthened the power of the Roman Catholic Church. B.They appointed Jews and Muslims to a council of political advisors. C.They increased the power of the nobility. D.They lowered taxes and increased agricultural production.

How did Ferdinand and Isabella transform Spain into a world power in the late 1400s? A.They strengthened the power of the Roman Catholic Church. B.They appointed Jews and Muslims to a council of political advisors. C.They increased the power of the nobility. D.They lowered taxes and increased agricultural production.